bool
wxCalendarCtrl::Create(wxWindow *parent,
wxWindowID id,
const wxDateTime& dt,
const wxPoint& pos,
const wxSize& size,
long style,
const wxString& name)
{
if ( !wxMSWDateControls::CheckInitialization() )
return false;
// we need the arrows for the navigation
style |= wxWANTS_CHARS;
// initialize the base class
if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) )
return false;
// create the native control: this is a bit tricky as we want to receive
// double click events but the MONTHCAL_CLASS doesn't use CS_DBLCLKS style
// and so we create our own copy of it which does
static ClassRegistrar s_clsMonthCal;
if ( !s_clsMonthCal.IsInitialized() )
{
// get a copy of standard class and modify it
WNDCLASS wc;
if ( ::GetClassInfo(NULL, MONTHCAL_CLASS, &wc) )
{
wc.lpszClassName = wxT("_wx_SysMonthCtl32");
wc.style |= CS_DBLCLKS;
s_clsMonthCal.Register(wc);
}
else
{
wxLogLastError(wxT("GetClassInfoEx(SysMonthCal32)"));
}
}
const wxChar * const clsname = s_clsMonthCal.IsRegistered()
? static_cast<const wxChar*>(s_clsMonthCal.GetName().t_str())
: MONTHCAL_CLASS;
if ( !MSWCreateControl(clsname, wxEmptyString, pos, size) )
return false;
// initialize the control
UpdateFirstDayOfWeek();
SetDate(dt.IsValid() ? dt : wxDateTime::Today());
SetHolidayAttrs();
UpdateMarks();
Bind(wxEVT_LEFT_DOWN, &wxCalendarCtrl::MSWOnClick, this);
Bind(wxEVT_LEFT_DCLICK, &wxCalendarCtrl::MSWOnDoubleClick, this);
return true;
}
bool wxCalendarCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
{
NMHDR* hdr = (NMHDR *)lParam;
switch ( hdr->code )
{
case MCN_SELCHANGE:
{
// we need to update m_date first, before calling the user code
// which expects GetDate() to return the new date
const wxDateTime dateOld = m_date;
const NMSELCHANGE * const sch = (NMSELCHANGE *)lParam;
m_date.SetFromMSWSysDate(sch->stSelStart);
// changing the year or the month results in a second dummy
// MCN_SELCHANGE event on this system which doesn't really
// change anything -- filter it out
if ( m_date != dateOld )
{
if ( GenerateAllChangeEvents(dateOld) )
{
// month changed, need to update the holidays if we use
// them
if ( SetHolidayAttrs() )
UpdateMarks();
}
}
}
break;
case MCN_GETDAYSTATE:
{
const NMDAYSTATE * const ds = (NMDAYSTATE *)lParam;
for ( int i = 0; i < ds->cDayState; i++ )
{
ds->prgDayState[i] = m_marks | m_holidays;
}
}
break;
default:
return wxCalendarCtrlBase::MSWOnNotify(idCtrl, lParam, result);
}
*result = 0;
return true;
}
void wxCalendarCtrlBase::EnableHolidayDisplay(bool display)
{
long style = GetWindowStyle();
if ( display )
style |= wxCAL_SHOW_HOLIDAYS;
else
style &= ~wxCAL_SHOW_HOLIDAYS;
if ( style == GetWindowStyle() )
return;
SetWindowStyle(style);
if ( display )
SetHolidayAttrs();
else
ResetHolidayAttrs();
RefreshHolidays();
}
bool wxCalendarCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
{
NMHDR* hdr = (NMHDR *)lParam;
switch ( hdr->code )
{
case MCN_SELCHANGE:
{
// we need to update m_date first, before calling the user code
// which expects GetDate() to return the new date
const wxDateTime dateOld = m_date;
const NMSELCHANGE * const sch = (NMSELCHANGE *)lParam;
m_date.SetFromMSWSysDate(sch->stSelStart);
// changing the year or the month results in a second dummy
// MCN_SELCHANGE event on this system which doesn't really
// change anything -- filter it out
if ( m_date != dateOld )
{
if ( GenerateAllChangeEvents(dateOld) )
{
// month changed, need to update the holidays if we use
// them
SetHolidayAttrs();
UpdateMarks();
}
}
}
break;
case MCN_GETDAYSTATE:
{
const NMDAYSTATE * const ds = (NMDAYSTATE *)lParam;
wxDateTime startDate;
startDate.SetFromMSWSysDate(ds->stStart);
// Ensure we have a valid date to work with.
wxDateTime currentDate = m_date.IsValid() ? m_date : startDate;
// Set to the start of month for comparison with startDate to
// work correctly.
currentDate.SetDay(1);
for ( int i = 0; i < ds->cDayState; i++ )
{
// set holiday/marks only for the "current" month
if ( startDate == currentDate )
ds->prgDayState[i] = m_marks | m_holidays;
else
ds->prgDayState[i] = 0;
startDate += wxDateSpan::Month();
}
}
break;
default:
return wxCalendarCtrlBase::MSWOnNotify(idCtrl, lParam, result);
}
*result = 0;
return true;
}
